Supernova in whirlpool galaxy
Moderator: SAC Committee
- Dave Lillis
- Posts: 2757
- Joined: Sun Aug 05, 2007 10:02 am
- Location: Limerick city
Supernova in whirlpool galaxy
Hi All,
M51 has wielded a 13.5 magnitude supernova, and this is perfectly placed in the sky near the zenith at this time of the year.
This is just about pickup-able in a 12" scope, smaller scopes will find it challanging but not impossible.
If you get out over the next week or so, make sure you have a peak.
http://www.variablestarnights.net/
http://www.aavso.org/aavso-special-notice-241
M51 has wielded a 13.5 magnitude supernova, and this is perfectly placed in the sky near the zenith at this time of the year.
This is just about pickup-able in a 12" scope, smaller scopes will find it challanging but not impossible.
If you get out over the next week or so, make sure you have a peak.
http://www.variablestarnights.net/
http://www.aavso.org/aavso-special-notice-241
Dave L. on facebook, See my images in flickr
Carrying around my 20" obsession is going to kill me, but what a way to go.
Carrying around my 20" obsession is going to kill me, but what a way to go.
- Dave Lillis
- Posts: 2757
- Joined: Sun Aug 05, 2007 10:02 am
- Location: Limerick city
well, I hauled the scope out on Sunday night and had a look, its quiet obvious on the edge of the Galaxy, very easy to find, mag 13.5 is well within the reach of a 20".
I have to say that going on the above photographs relative to the surrounding stars, I thought it would look a little brighter.
It was 00.15 before it got dark enough to see it, most supernovae last a week or 2, some last over a month.
I have to say that going on the above photographs relative to the surrounding stars, I thought it would look a little brighter.
It was 00.15 before it got dark enough to see it, most supernovae last a week or 2, some last over a month.
Dave L. on facebook, See my images in flickr
Carrying around my 20" obsession is going to kill me, but what a way to go.
Carrying around my 20" obsession is going to kill me, but what a way to go.
-
- Posts: 2980
- Joined: Sun Aug 05, 2007 2:45 am
- Location: Ballycasey, Co. Clare
- Dave Lillis
- Posts: 2757
- Joined: Sun Aug 05, 2007 10:02 am
- Location: Limerick city
Dont know if its fading yet, but there are some tentitive reports on the web that its down to 14.2, I hope this isnt true cos that would indicate a rapid drop off, but thats not too likely for a type 2 supernova (>8 solar masses) like this, depends on if its type L, P or B. The jury is still out as to where the light curve is going.
Also, the stellar material is moving out at over 17k kms per second from the stars core, now thats fast !
There are also some indication from old hubble images that the pregenitor star has been identified, cool if true.
Also, the stellar material is moving out at over 17k kms per second from the stars core, now thats fast !
There are also some indication from old hubble images that the pregenitor star has been identified, cool if true.
Dave L. on facebook, See my images in flickr
Carrying around my 20" obsession is going to kill me, but what a way to go.
Carrying around my 20" obsession is going to kill me, but what a way to go.
-
- Posts: 2980
- Joined: Sun Aug 05, 2007 2:45 am
- Location: Ballycasey, Co. Clare
- Dave Lillis
- Posts: 2757
- Joined: Sun Aug 05, 2007 10:02 am
- Location: Limerick city
At mag13.5-14, it would be a major challange in a 10", it might not be possible at all, worth a try though.
Dave L. on facebook, See my images in flickr
Carrying around my 20" obsession is going to kill me, but what a way to go.
Carrying around my 20" obsession is going to kill me, but what a way to go.